diff --git a/app/models/variant_override.rb b/app/models/variant_override.rb
index ea5dca61b2..447ea53b6f 100644
--- a/app/models/variant_override.rb
+++ b/app/models/variant_override.rb
@@ -15,7 +15,9 @@ class VariantOverride < ApplicationRecord
   # Need to ensure this can be set by the user.
   validates :default_stock, numericality: { greater_than_or_equal_to: 0 }, allow_nil: true
   validates :price, numericality: { greater_than_or_equal_to: 0 }, allow_nil: true
-  validates :count_on_hand, numericality: { greater_than_or_equal_to: 0 }, allow_nil: true
+  validates :count_on_hand, numericality: {
+    greater_than_or_equal_to: 0, unless: :on_demand?
+  }, allow_nil: true
 
   default_scope { where(permission_revoked_at: nil) }